#121859#121859

#121859 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.115 H 271.2°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#121859
RGB	rgb(18, 24, 89)
HSL	hsl(235, 66%, 21%)
HSV	hsv(235, 80%, 35%)
CMYK	cmyk(79.8%, 73%, 0%, 65.1%)
CIE-LAB	lab(12.63, 22.86, -39.70)
CIE-LCH	lch(12.63, 45.81, 299.93°)
OKLab	oklab(25.61% 0.0024 -0.1148)
OKLCH	oklch(25.61% 0.115 271.2)
XYZ	xyz(2.3786, 1.5029, 9.6140)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121859 #595312

analogous

#123B59 #121859 #2F1259

triadic

#121859 #591218 #185912

tetradic

#121859 #59123B #595312 #12592F

square

#121859 #59123B #595312 #12592F

split-complementary

#121859 #592F12 #3B5912

monochromatic

#050719 #080A26 #121859 #1C268C #2733BF

Accessibility & contrast

On white

16.15

#121859 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#121859 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121859

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121859	#FFFFFF	#000000	##FFFFFF
##121859	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245B

Deuteranopia (green-blind)

#001D58

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121859;
/* rgb */ color: rgb(18, 24, 89);
/* oklch */ color: oklch(25.6% 0.115 271.2);

Tailwind

colors: {
  custom: {
    50: '#5d5589',
    500: '#121859',
    950: '#000000',
  },
}

SCSS

$custom: #121859;
$custom-light: #5d5589;
$custom-dark: #000000;

JSON

{
  "hex": "#121859",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 89
  },
  "hsl": {
    "h": 234.93,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.2561,
    "c": 0.11488,
    "h": 271.2
  },
  "luminance": 0.01503
}

Semantic roles & 50–950 ramp

primary

#121859

secondary

#928A35

accent

#DB3FE9

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #121859

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →